高级白 meaning in English
white of the higher order
Examples
- Zinc , aluminium or copper alloys ) , degassing flux for aluminium or copper alloys , coating paste , spare parts for hot chamber or cold chamber die casting machines , plunger rings and hot work steel
油、超高级白油、润滑脂、 （锌、铝、铜合金）化渣粉、除气剂、坩埚涂料、冷热室压铸机配